/Engine/Plugins/Animation/IKRig/Source/IKRigEditor/Public/RigEditor/IKRigController.h
Called whenever a retarget chain is renamed.
typedef TMulticastDelegate_ThreeParams< void, [UIKRigDefinition](API\Plugins\IKRig\Rig\UIKRigDefinition) *, [FName](API\Runtime\Core\UObject\FName), [FName](API\Runtime\Core\UObject\FName) > FOnRetargetChainRenamed